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Report No.

An Examination of analysis for $$ ^{90}$$Sr in large water samples

Tomita, Jumpei ; Nozaki, Teo; Tanimura, Yoshihiko  ; Yoshizawa, Michio 

Preconcentration method of Sr with Powdex resin (PCH for cation) at the field was examined to develop the analytical method for $$ ^{90}$$Sr in large water samples, which enables the analysis for a number of samples. In the experiment with 250 L of tap water samples, nearly 100% of Sr in water was adsorbed at 1 g L$$^{-1}$$ of PCH/water ratio, and duplication of boiling with 3M HNO$$_{3}$$ at 0.2 g mL$$^{-1}$$ of PCH/3M HNO$$_{3}$$ allowed the elution of 80% of Sr adsorbed.



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